Courtesy Reply Mail (CRM) consists of preaddressed postcards or envelopes provided by the mailer to customers both to expedite their responses and to provide more accurate delivery. It differs from Business Reply Mail (BRM) in that no fees are required and the respondent is responsible for applying the correct postage before mailing back the card or envelope. CRM can come back faster because it is prepared with the correct address and barcode to take advantage of automated USPS processing. It is also good to use when you wish to direct replies (payments) to an address that is different from your usual mailing address. CRM templates are available on the Postal Explorer Web site at pe.usps.com by selecting “Mailpiece Design” in the left frame.

Dimensions: Between 3-1/2 by 5 inches and 6-1/8 by 11-1/2 inches. To qualify for the card price, cards must be between 3-1/2 by 5 inches and 4-1/4 by 6 inches. Larger postcard sizes are mailable, but they are charged at the regular First-Class Mail letter price. Postcard thickness must be between 0.007 and 0.016 inch.